free-lunch

How long of a survey would you be willing to complete in exchange for a free lunch? Think of reviewing a product or experience for a giftcard or voucher.

• No more than 1 minute~
• <2 minutes~
• <5 minutes~
• <10 minutes~
• <15 minutes~
• Up to 30 minutes~
• Bröther, a free lunch is a free lunch I'll do whatever it takes~